Brazil NCM · 8-digit subitem

NCM 2843.90.30 – Hexachloroiridic acid solution, 17–27%

NCM 2843.90.30 (also written 28439030) is Brazil's code for hexachloroiridic acid solution, 17–27%. Its first 6 digits are HS code 2843.90.

Official description of NCM 2843.90.30

PortuguêsOfficial
Ácido hexacloroirídico em solução aquosa com uma concentração igual ou superior a 17 %, mas inferior ou igual a 27 %, em peso
EnglishUnofficial translation

Hexachloroiridic acid in aqueous solution with a concentration of 17% or more but 27% or less by weight

Nomenclatura Comum do Mercosul (Siscomex). Updated Oct 2026 · In force since Apr 2022 (Res Gecex 272/2021).

How to read NCM 2843.90.30

28Chapter 43Heading 90Subheading

HS code 2843.90
Same in every country

3Item 0Subitem

Added by Mercosur
Brazil, Argentina, Paraguay, Uruguay

The first 6 digits are the international HS code, so their meaning is the same in every country; Brazil publishes the text in Portuguese. Digits 7 and 8 are Brazil's own split of that HS code. The full 8-digit code is used on import declarations (DUIMP), invoices (NF-e) and tax filings.

Full classification path

  1. Chapter 28 Inorganic chemicals; organic and inorganic compounds of precious metals; of rare earth metals, of radio-active elements and of isotopes Produtos químicos inorgânicos; compostos inorgânicos ou orgânicos de metais preciosos, de elementos radioativos, de metais das terras raras ou de isótopos.
  2. Heading 28.43 Colloidal precious metals; inorganic or organic compounds of precious metals, whether or not chemically defined; amalgams of precious metals Metais preciosos no estado coloidal; compostos inorgânicos ou orgânicos de metais preciosos, de constituição química definida ou não; amálgamas de metais preciosos.
  3. Subheading 2843.90 Inorganic or organic compounds of precious metals, n.e.c.; amalgams Outros compostos; amálgamas
  4. Subitem 2843.90.30 Hexachloroiridic acid in aqueous solution with a concentration of 17% or more but 27% or less by weight Ácido hexacloroirídico em solução aquosa com uma concentração igual ou superior a 17 %, mas inferior ou igual a 27 %, em peso

Other NCM codes under HS 2843.90

Questions about NCM 2843.90.30

What is NCM 2843.90.30?

NCM 2843.90.30 (28439030) is the Brazilian (Mercosur) code for hexachloroiridic acid solution, 17–27%. Its official Portuguese description is “Ácido hexacloroirídico em solução aquosa com uma concentração igual ou superior a 17 %, mas inferior ou igual a 27 %, em peso”.

What is the HS code for NCM 2843.90.30?

HS 2843.90 (Inorganic or organic compounds of precious metals, n.e.c.; amalgams). The first 6 digits of an NCM code are its international HS code; the last 2 digits are Brazil's own split.

Is an NCM code the same as an HS code?

The first 6 digits are the same in every country. NCM adds an item digit (7th) and a subitem digit (8th). A code ending in 00 means Brazil does not split that HS code further.

Which countries use NCM 2843.90.30?

All Mercosur members use the same NCM codes: Argentina, Brazil, Paraguay and Uruguay.

Source: Siscomex Classif NCM table, updated Oct 2026 (Resolução Gecex nº 926/2026). The Portuguese text is the official one; the English is our translation.